Gualeguaychu, Argentina, Banco Oxandaburu Y Garbino, 4 reales bolivianos front proof, 2-1-1869. SCWPM-S1781b. Uniface front proof with a dog named "Caesar" as the central vignette with penciled printer's annotations of "Bolivia" on obverse plus "Argentina July 1868 Plate Proof" on reverse. Mounted on cardstock with overall good paper quality, no problems.
($70-100)